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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.myfaces.shared_orchestra.renderkit.html;
20  
21  import org.apache.myfaces.shared_orchestra.renderkit.RendererUtils;
22  
23  import javax.faces.component.UIComponent;
24  import javax.faces.component.UIOutput;
25  import javax.faces.component.UIInput;
26  import javax.faces.component.html.HtmlInputTextarea;
27  import javax.faces.context.FacesContext;
28  import javax.faces.context.ResponseWriter;
29  import javax.faces.convert.ConverterException;
30  import java.io.IOException;
31  
32  
33  /**
34   * @author Manfred Geiler (latest modification by $Author: grantsmith $)
35   * @author Anton Koinov
36   * @version $Revision: 472618 $ $Date: 2006-11-08 15:06:54 -0500 (Wed, 08 Nov 2006) $
37   */
38  public class HtmlTextareaRendererBase
39          extends HtmlRenderer
40  {
41      public void encodeEnd(FacesContext facesContext, UIComponent uiComponent)
42              throws IOException
43      {
44          RendererUtils.checkParamValidity(facesContext, uiComponent, UIInput.class);
45  
46          encodeTextArea(facesContext, uiComponent);
47  
48      }
49  
50      protected void encodeTextArea(FacesContext facesContext, UIComponent uiComponent) throws IOException {
51          ResponseWriter writer = facesContext.getResponseWriter();
52          writer.startElement(HTML.TEXTAREA_ELEM, uiComponent);
53  
54          String clientId = uiComponent.getClientId(facesContext);
55          writer.writeAttribute(HTML.NAME_ATTR, clientId, null);
56          HtmlRendererUtils.writeIdIfNecessary(writer, uiComponent, facesContext);
57  
58          HtmlRendererUtils.renderHTMLAttributes(writer, uiComponent, HTML.TEXTAREA_PASSTHROUGH_ATTRIBUTES_WITHOUT_DISABLED);
59          if (isDisabled(facesContext, uiComponent))
60          {
61              writer.writeAttribute(org.apache.myfaces.shared_orchestra.renderkit.html.HTML.DISABLED_ATTR, Boolean.TRUE, null);
62          }
63  
64          String strValue = org.apache.myfaces.shared_orchestra.renderkit.RendererUtils.getStringValue(facesContext, uiComponent);
65          writer.writeText(strValue, org.apache.myfaces.shared_orchestra.renderkit.JSFAttr.VALUE_ATTR);
66  
67          writer.endElement(HTML.TEXTAREA_ELEM);
68      }
69  
70      protected boolean isDisabled(FacesContext facesContext, UIComponent uiComponent)
71      {
72          //TODO: overwrite in extended HtmlTextareaRenderer and check for enabledOnUserRole
73          if (uiComponent instanceof HtmlInputTextarea)
74          {
75              return ((HtmlInputTextarea)uiComponent).isDisabled();
76          }
77          else
78          {
79              return org.apache.myfaces.shared_orchestra.renderkit.RendererUtils.getBooleanAttribute(uiComponent, HTML.DISABLED_ATTR, false);
80          }
81      }
82  
83      public void decode(FacesContext facesContext, UIComponent component)
84      {
85          RendererUtils.checkParamValidity(facesContext, component, UIInput.class);
86          HtmlRendererUtils.decodeUIInput(facesContext, component);
87      }
88  
89      public Object getConvertedValue(FacesContext facesContext, UIComponent uiComponent, Object submittedValue) throws ConverterException
90      {
91          RendererUtils.checkParamValidity(facesContext, uiComponent, UIOutput.class);
92          return org.apache.myfaces.shared_orchestra.renderkit.RendererUtils.getConvertedUIOutputValue(facesContext,
93                                                         (UIOutput)uiComponent,
94                                                         submittedValue);
95      }
96  
97  }